Cita APA (7a ed.)
Nwakalor, L., & Orji, B. (1983). Testicular size and sperm output in Holstein-Friesian and N'Dama bulls.
Cita Chicago Style (17a ed.)
Nwakalor, L.N, y B.I Orji. Testicular Size and Sperm Output in Holstein-Friesian and N'Dama Bulls. 1983.
Cita MLA (9a ed.)
Nwakalor, L.N, y B.I Orji. Testicular Size and Sperm Output in Holstein-Friesian and N'Dama Bulls. 1983.
Precaución: Estas citas no son 100% exactas.